No Eastern European countries were members of the European Union in 1993. The EU did not expand to the east until 2004 when nine Eastern European countries (with one Western European nation) joined the EU.
Eastern European countries became communist, which was a political ideology modernized by the USSR.
Many countries from Eastern Europe have joined the European Union since 2004. This makes it easier for them to travel to other European countries to get work. A lot of people from eastern European countries have travelled to countries in western Europe where there is more work, so a lot of eastern Europeans have gone to the United Kingdom.
did not have laws about pollution
Many did in fact escape via other other East European countries, but it wasn't that easy, as contact between the entire Eastern Bloc and the West was controlled.
Countries in Europe which did not have dictators were the Northern European countries, United Kingdom, the Mediterranean Countries, Switzerland, some of the Eastern European countries, Spain, Portugal, France, Greece and others.
Eastern european countires controlled by the USSR at the end of World War II adopted communist governments under soviet domination
They staged a revolution against Gorbachev's regime.
If you travel from the US to Poland, you would pass no Eastern European nations, as Poland is one the westernmost Eastern European nations. You would travel across the Atlantic Ocean, most likely through countries such as France and Germany, and then arrive in Poland.
They staged a revolution against Gorbachev's regime.
Australia, Egypt (along with many African countries), and Iraq (along with many, if not all, Middle Eastern countries).
They staged a revolution against Gorbachev's regime.